
ABSOLUTE MAXIMUM RATINGS
Reverse Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA
Forward Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mA
Operating Temperature Range
CLM285-1.2 . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to +85
o
C
CLM385-1.2 . . . . . . . . . . . . . . . . . . . . . . . . . . 0
o
C to +70
o
C
Storage Temperature. . . . . . . . . . . . . . . . . . -55
o
C to +150
o
C
Soldering Information
TO-92 Package (10 sec.). . . . . . . . . . . . . . . . . . . . . 260
o
C
SO Package: Vapor Phase (60 sec.) . . . . . . . . . . 215
o
C
Infrared (15 sec.) . . . . . . . . . . . . . . 220
o
C
ELECTRICAL CHARACTERISTICS
(Note 1)
PARAMETER
CLM285-1.2
CLM385-1.2
UNITS
(LIMITS)
CONDITIONS
TYP
TESTED
LIMIT
(NOTE 2)
DESIGN
LIMIT
(NOTE 3)
TYP
TESTED
LIMIT
(NOTE 2)
DESIGN
LIMIT
(NOTE 3)
Reverse
Breakdown
Voltage
1.235
1.220
1.245
1.235
1.235
1.223
1.247
1.225
1.245
V
MIN
V
MAX
V
MIN
V
MAX
T
A
= 25
o
C, 1
MIN
≤
I
R
≤
I
MAX
CLM285-1.2/CLM385B-1.2
CLM385-1.2
Minimum
Operating Current
Reverse
Breakdown
Voltage Change
with Current
Reverse Dynamic
Impedance
Wideband Noise
(rms)
Long Term
Stability
Average
Temperature
Coefficient (Note 4)
8
8
10
8
15
10
μ
A
1
1.5
1
1.5
mV
I
MIN
≤
I
R
≤
1mA
10
20
10
20
mV
1mA
≤
I
R
≤
20mA
1
1.5
1
1.5
I
R
= 100
μ
A, f = 20Hz
60
60
μ
V
I
R
= 100
μ
A
10Hz
≤
f
≤
10kHz
I
R
= 100
μ
A, T = 1000Hr
T
A
= 25
o
C
±
.0.1
o
C
20
20
ppm
50
100
50
100
ppm/
o
C
I
R
= 100
μ
A
Note 1:
Parameters identified with
boldface type
apply at temperature extremes and for I
MIN
< I
R
< 20mA, unless otherwise specified. All other
numbers apply at T
A
= T
J
= 25
o
C.
Note 2:
Guaranteed and 100% production tested.
Note 3:
Guaranteed (but not 100% production tested) over the operating temperature and input current ranges. These limits are not to be used
to calculate outgoing quality levels.
Note 4:
The average temperature coefficient is defined as the maximum deviation of reference voltage at all measured temperatures between
the operating T
MAX
and T
MIN
, divided by T
MAX
-T
MIN
. The measured temperatures are -55
o
C, -40
o
C, 0
o
C, 25
o
C, 70
o
C, 85
o
C, 125
o
C.
Note 5:
For elevated temperature operation, T
j
max is:
CLM285 125
C
CLM385 100
o
C
Thermal Resistance
TO-92
SO-8
165
o
C/W
θ
ja
(Junction to Ambient)
180
o
C/W (0.4" leads)
170
o
C/W (0.125" leads)
N/A
θ
jc
(Junction to Case)
N/A
CLM285-1.2 /CLM385-1.2
C ORPORATION